The Perfect Egg Yolk Chocolate Chip Cookie Bars Recipe You’ll Love

Egg yolk chocolate chip cookie bars elevate an ordinary dessert into a luxurious indulgence that promises rich, velvety texture.

Bakers seeking a superior treat will appreciate this ingenious twist on classic cookies.

Decadent ingredients blend harmoniously to create a memorable sweet experience that elevates traditional expectations.

Remarkable depth emerges from carefully selected components that make these bars stand out from standard recipes.

Professional and home cooks alike appreciate techniques that enhance familiar favorites with subtle sophistication.

Intense flavor and smooth consistency define these extraordinary bars that challenge conventional baking approaches.

The remarkable fusion of ingredients guarantees a delightful sensory journey that will captivate your taste buds.

Why Egg Yolk Chocolate Chip Cookie Bars Are So Rich

• Indulge in Rich Egg Yolk Magic: These chocolate chip bars use extra egg yolks, creating an incredibly luxurious and velvety texture that elevates the classic chocolate chip cookie experience.
• Simplify Baking with One-Pan Convenience: Forget individual cookies – this bar method means less work, faster preparation, and easy clean-up with a single 9×13
• Customize Your Comfort Treat: Sprinkle flaky sea salt on top for a gourmet touch, enjoy warm or cooled, and slice into any size you prefer for maximum flexibility and personal enjoyment.
• Achieve Bakery-Quality Texture: The combination of egg yolks, precise mixing technique, and careful baking creates a perfectly chewy center with delightfully crisp edges that rival professional bakery treats.

The Secret Ingredients in These Dense, Chewy Bars

• Butter: Rich, creamy base that provides tender texture and deep flavor.
• Granulated Sugar, Brown Sugar: Sweet components that create chewy and caramelized characteristics.

• Egg Yolks: Adds richness, creates smooth texture, and helps bind ingredients together.
• Vanilla Extract: Enhances overall flavor with warm, sweet undertones.
• Baking Soda, Baking Powder: Crucial leavening agents that help cookies rise and become light.
• Salt: Balances sweetness and amplifies other flavors in the cookie bars.

• All-Purpose Flour: Primary structure for the cookie bars, providing necessary texture.
• Chocolate Chips: Classic sweet morsels that create delightful pockets of chocolate throughout the bars.
• Flaky Sea Salt: Optional topping that adds a sophisticated finish and flavor contrast.

Steps for Making Thick Cookie Bars with Deep Flavor

Step 1: Prepare the Oven and Baking Pan

Preheat oven to 350°F. Spray a 9×13″ baking pan with non-stick cooking spray. Line the pan with parchment paper, allowing slight overhang for easy removal.

Step 2: Create the Butter Mixture

• Butter
• Sugars

Beat until the mixture becomes light and fluffy. Mix in egg yolks and vanilla extract until well combined.

Step 3: Add Dry Ingredients

• Baking soda
• Baking powder
• Salt

Step 4: Incorporate Flour and Chocolate Chips

Gently fold in flour using a large spoon or spatula. Stir in 1 of chocolate chips, reserving the remaining for topping.

Step 5: Spread the Dough

Transfer the dough to the prepared baking pan. Spread evenly and flatten gently with a spoon. Sprinkle the remaining chocolate chips on top, lightly pressing them into the dough.

Step 6: Bake the Bars

Bake in the preheated oven for 25-30 minutes. Look for lightly browned edges and a center that no longer appears wet.

Step 7: Cool and Cut

Allow bars to cool completely in the pan on a cooling rack. Using the parchment paper overhang, lift the entire batch out of the pan. Slice into rectangles or squares.

Step 8: Optional Finishing Touch

Sprinkle with flaky sea salt if desired. Serve and enjoy!

Storage Tip: Keep leftover bars in an airtight container at room temperature for maximum freshness.

Tips to Avoid Dry, Crumbly Cookie Bars

• Cream Butter Perfectly: Ensure butter is softened but not melted for optimal texture and even mixing.
• Measure Flour Precisely: Use the spoon-and-level method to avoid dense, dry bars by preventing excess flour.
• Control Chocolate Distribution: Fold chocolate chips gently into the dough to prevent breaking and ensure even spread.
• Watch Baking Time Carefully: Check bars at 25 minutes to prevent over-browning, looking for light golden edges and set center.
• Cool Completely Before Cutting: Let bars rest entirely to allow them to set and develop a perfect chewy texture, making clean slicing easier.

Storage and Reheat Tips for Egg Yolk Bars

• Storage Method: Place cooled cookie bars in an airtight container with a tight-fitting lid. Separate layers with parchment paper to prevent sticking and maintain texture. Enjoy at room temperature for up to 5 days.
• Refrigeration Method: Wrap bars individually in plastic wrap or aluminum foil. Store in the refrigerator for extended freshness, up to 7 days. Let bars sit at room temperature for 15-20 minutes before serving to restore soft texture.
• Freezing Method: Wrap each bar tightly in plastic wrap, then place in a freezer-safe ziplock bag. Freeze for up to 3 months. Thaw overnight in the refrigerator or at room temperature for 1-2 hours before enjoying. Pro tip: Warm slightly in the microwave for 10-15 seconds for that fresh-baked taste.

Best Drinks or Toppings for Cookie Bars

• Pair with Rich Espresso: Complement the sweet chocolate chip bars with a bold, robust espresso shot. The intense coffee flavor cuts through the richness, creating a delightful contrast that elevates the dessert experience.
• Match with Cold Vanilla Milk: Dunk these decadent bars into a chilled glass of creamy vanilla milk. The smooth, sweet liquid enhances the chocolate chips and provides a refreshing balance to the warm, buttery cookie texture.
• Serve with Caramel Macchiato: Drizzle a homemade caramel macchiato alongside the bars for a luxurious flavor combination. The caramel's deep, golden notes harmonize perfectly with the chocolate and egg yolk-infused cookie base.
• Garnish with Vanilla Bean Ice Cream: Top a warm bar with a scoop of premium vanilla bean ice cream. The cold, creamy dessert melts slightly, creating a luscious sauce that complements the cookie's rich, soft texture.

Variations Using Different Chocolates or Nuts

• Nutty Chocolate Chip Sensation: Replace half the chocolate chips with chopped pecans or walnuts for added crunch and rich, toasted flavor.
• Brown Butter Bliss: Brown the butter before mixing to create deeper, nuttier caramel undertones that complement the chocolate chips.
• Salted Caramel Dream: Drizzle homemade caramel sauce over the cooled bars and sprinkle extra flaky sea salt for a decadent sweet-salty experience.
• Espresso Chocolate Boost: Mix in 1-2 tablespoons of instant espresso powder to enhance the chocolate's richness and add subtle coffee depth.

Egg Yolk Chocolate Chip Cookie Bars Recipe

---

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

4.8 from 19 reviews

• Total Time: 45 minutes
• Yield: 12 1x

Print Recipe

Description

Luxurious Egg Yolk Chocolate Chip Cookie Bars deliver rich, velvety indulgence with a silky texture that elevates classic dessert expectations. Chocolate lovers will savor each decadent bite of these California-inspired bars, crafted to melt perfectly on eager palates.

---

Ingredients

Scale 1x2x3x

Main Ingredients:

• 5 large egg yolks
• 2 ½ cups (325 grams) all-purpose flour
• 2 cups (390 grams) chocolate chips, divided
• 1 cup (226 grams) plant-based butter, softened
• 1 cup (208 grams) light brown sugar, packed
• ½ cup (112 grams) white granulated sugar

Leavening Agents:

• ¾ teaspoon baking soda
• ¾ teaspoon baking powder

Flavor Enhancers:

• 1 teaspoon vanilla extract
• 1 teaspoon salt
• Flakey sea salt to sprinkle (optional)

Cook Mode Prevent your screen from going dark

---

Instructions

1. Preheat the oven to 350°F (175°C) and line a 9×13 inch (23×33 centimeters) baking pan with parchment paper, ensuring overhang for easy removal.
2. In a spacious mixing bowl, cream together softened butter with granulated and brown sugars until the mixture becomes light and fluffy, approximately 3-4 minutes.
3. Incorporate egg yolks and vanilla extract into the butter mixture, blending until thoroughly combined and smooth.
4. Gently fold in baking soda, baking powder, and salt, ensuring even distribution throughout the mixture.
5. Gradually add flour to the wet ingredients, stirring with a wooden spoon or spatula until a cohesive dough forms.
6. Fold 1 of chocolate chips into the dough, reserving the remaining for topping.
7. Transfer the dough into the prepared baking pan, using the back of a spatula to spread it evenly and create a smooth surface.
8. Sprinkle the remaining chocolate chips across the top of the dough, gently pressing them into the surface to ensure they adhere.
9. Place the pan in the preheated oven and bake for 25-30 minutes, or until the edges turn golden brown and the center appears set but not dry.
10. Remove from the oven and allow the bars to cool completely in the pan placed on a wire rack, which prevents further cooking and promotes even cooling.
11. Once cooled, use the parchment paper overhang to lift the entire batch out of the pan.
12. Slice into rectangular or square portions, optionally garnishing with a light sprinkle of flaky sea salt for enhanced flavor.
13. Store the cooled bars in an airtight container at room temperature for up to 5 days.

Notes

• Rich, decadent bars feature a luxurious twist on classic chocolate chip cookies by using only egg yolks for an extra creamy, tender texture.
• Parchment paper sling makes removing and cutting bars effortless, ensuring clean, perfect slices without sticking or crumbling.
• Room temperature ingredients guarantee smoother mixing and more consistent cookie bar texture, helping butter and eggs blend seamlessly.
• Optional flaky sea salt sprinkle elevates the sweet chocolate flavor, creating a sophisticated sweet-and-salty contrast that delights taste buds.
• Quick 25-30 minute baking time means you can satisfy chocolate chip cookie cravings faster than traditional drop cookies.
• Airtight container storage keeps bars fresh for several days, making them perfect for make-ahead desserts or unexpected sweet cravings.

• Prep Time: 15 minutes
• Cook Time: 30 minutes
• Category: Desserts, Snacks
• Method: Baking
• Cuisine: American

Nutrition

• Serving Size: 12
• Calories: 380 kcal
• Sugar: 25 g
• Sodium: 250 mg
• Fat: 22 g
• Saturated Fat: 12 g
• Unsaturated Fat: 9 g
• Trans Fat: 0 g
• Carbohydrates: 45 g
• Fiber: 1 g
• Protein: 4 g
• Cholesterol: 120 mg